"Research on Lever Tools" Tools and Machinery PPT Courseware 5

Description

"Research on Lever Tools" Tools and Machinery PPT Courseware 5

The hook code hanging on the left side of the lever ruler is regarded as a heavy object, and the number of grids on which the hook code is hung is the key position.

The weight of the hook hanging on the right side of the lever ruler is the force used to lift the heavy object. The number of grids hung by the hook code is the position of the force point.

Leverage balance conditions

Whether the lever is stationary or rotating at a constant speed is called lever balance. When studying lever balancing, we always balance the lever in a horizontal position. This is done to facilitate the measurement of the moment arm (which can be read directly), but in practice, the lever may also be balanced at an angle. Expression at equilibrium:

Power × power arm = resistance × resistance arm, expressed in letters is F1 × L1 = F2 × L2

Research on leveraged instruments

1. Review

1. What is leverage?

A hard rod that can rotate around a fixed point under the action of force is called a lever.

2. Can accurately find the three points of leverage

3. Analyze the labor-saving rules of leverage

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For more information about the "Research on Tools and Mechanical Lever Tools" PPT courseware, please click the "Research on Tools and Mechanical PPT Lever Tools" ppt tab.

"Research on Leverage Tools" Tools and Machinery PPT download:

"Research on Lever Tools" Tools and Machinery PPT Download Part One: New Lesson Learning Find out the fulcrum, force point and resistance point of the iron piece, bottle opener and clamp respectively. What is the difference between their three o'clock positions? Among these three types of levers, which one is labor-saving and which one is labor-intensive?

"Research on Leverage Tools" Tools and Machinery PPT:

"Research on Lever Tools" Tools and Machinery PPT Part One Content: New Lesson Explanation (1) Comparison of Lever Tools Iron piece to open paint bucket lid Clamp to clamp object Bottle opener to open beverage bottle Find three of the three tools respectively Classification of levers at important positions...

"Research on Lever Tools" Tools and Machinery PPT Courseware 5:

"Research on Lever Tools" Tools and Machinery PPT Courseware 5 The hook code hanging on the left side of the lever ruler is regarded as a heavy object, and the number of grids on the hook code is the key position. The weight of the hook hanging on the right side of the lever ruler is the force used to lift the heavy object. The number of grids hung by the hook code is the strength point.

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Update Time: 2024-10-14

This template belongs to science courseware Science Edition for Sixth Grade Science Volume 1 industry PPT template

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